diff --git a/Development_Contribution.md b/Development_Contribution.md
index afb4ba6..d6783f5 100644
--- a/Development_Contribution.md
+++ b/Development_Contribution.md
@@ -35,23 +35,6 @@ merge your contributions smoothly.
 - `packaging/`: You will find the MAN pages here and the SPEC files used to construct an RPM files
 - `apprise/plugins/`: This is where Apprise plugins are found
 
-
-If you prefer, sometimes it's easier to use the Docker containers to build your environment.
-```bash
-# The following would get you a shell that you could instantly leverage
-# the local ./bin/apprise tool to test with (against code changes you make directly
-# to the branch.
-docker-compose run --rm test.py311 bash
-
-# You can also run ./bin/checkdone.sh and ./bin/test.sh from here if you like as well
-
-# The following is a great way to test your code to see if there is
-# test coverage; there can not be an error when you create a pull request
-docker-compose run --rm test.py311 bin/checkdone.sh
-
-```
-Note: `bin/checkdone.sh` does a full scan of the product where `test.sh` is a quick way to just test the code directly and also sectionaly test it.. hence `bin/test.sh discord` would only run the _discord related_ unit tests.
-
 # Building Your Own Notification Plugin
 
 It basically boils down to this: